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Make four electromagnet with 20,40,60 and …

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Make four electromagnet with 20,40,60 and 80 turn. Connect them one by one to a battery of 2 cells .bring the electromagnet near a box of pins connect the number of pins attracted by it compare the strength of electromagnet

    • Posted by Subhrajit Lahkar 7 years, 8 months ago

    CBSE > Class 07 > Science
    • 1 answers

    Kripansh Pandey 7 years, 8 months ago

    The 80 turn magnet is most powerful

    2Thank You

    ANSWER
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